OpenTechnical

OT-2026-000024109

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000024109) never changes.

Identity and time

Publication numberOT-2026-000024109 · never reused
Internal UUID01a0ae70-e8c7-7bbd-8dd8-7134a9f7a41e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024109
StatusPUBLIC

Content hashes

Canonical textcf89c5039caf5325b6205d23b4e287aa5526ebb11304d1ad04461bc7c4c795e4
Markdown7930d8c078eeea364e3638d2b484d83d9d143e0548164e8791fea35be290a77b
PDF
Publication page3921eb51d559495ff78d1d2078f6fdf172e7a5e2fdbcb5de52ae893125236c33
Manifest2b85b88c9b00329d1aa43458b79f500fa5c68c02df0c949f0d7bd7b2632150ca

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature/IBQ9/WvyDQhNhlf/gSHO0JZaViUr9gEJd+AlqBY75/K0yxGJCvHdimnPohJa7hjiJkVnmQtlVri0k/j3QOTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:32.037522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024109
observed 3921eb51d559495ff78d1d2078f6fdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:32.020819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024109/manifest.json
observed 2b85b88c9b00329d1aa43458b79f500f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:32.002723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024109/publication.md
observed 7930d8c078eeea364e3638d2b484d83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.986446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024109/publication.txt
observed cf89c5039caf5325b6205d23b4e287aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.